JavaScript Desktop Frameworks Compared: Electron, Tauri, Electrobun, Deno

Desktop Apps

Picking a JavaScript Desktop Toolkit in 2026

For roughly ten years, there was one obvious answer to "how do you build a desktop app with JavaScript?" That answer was Electron.

It sits underneath VS Code, Discord, Slack, Postman, Notion, Figma Desktop, and countless other tools people use every day.

That said, expectations have shifted. Developers now push for:

• Smaller installer sizes
• Quicker launch times
• Reduced memory footprint
• Stronger security guarantees
• Performance closer to native code
• Support for newer runtimes such as Bun and Deno

This shift in priorities is precisely why alternatives like Tauri, Electrobun, and the newly arrived Deno Desktop have gained traction.

The relevant question is no longer whether Electron is worth using at all. It's become a matter of matching the right framework to the right project. This piece walks through all four options side by side.

Four Frameworks, Four Philosophies

Each of these tools tackles the same underlying challenge in its own way.

1. Electron: The Long-Standing Default

Electron packages Chromium together with Node.js inside every app you ship.

As a result, every user runs the identical browser engine no matter which operating system they're on.

What keeps developers coming back

• A massive ecosystem of plugins and tooling
• APIs that have been refined over years
• Thorough, well-tested documentation
• Consistent rendering across platforms
• A long track record in production

Well-known apps built this way include VS Code, Discord, Slack, GitHub Desktop, and Obsidian.

Where it falls short

Apps built with Electron tend to suffer from:

• Bulky installer files
• Heavy memory consumption
• Elevated CPU load
• Larger update packages

Since each app carries its own copy of the Chromium engine, even a trivial "Hello World" project ends up fairly heavy.

Best suited for

• Enterprise-grade software
• Complex developer tooling
• Teams that prioritize stability above all else

2. Tauri: Compact, Locked Down, and Quick

Tauri approaches the problem from a completely different angle.

Rather than shipping Chromium, it taps into whatever native WebView the host operating system already provides.

This alone shrinks app size considerably. The backend runs on Rust, but your frontend layer is unaffected — you can still build with:

• React
• Vue
• Angular
• Svelte
• Solid
• Next.js
• Plain JavaScript

Put simply, you get to hold onto your existing frontend stack while picking up Rust-grade performance underneath it.

What it brings to the table

Compact binaries, a stronger security model, lighter memory use, deep native integrations, and mobile targets for both Android and iOS.

Trade-offs to weigh

• Rust is a new skill for many JavaScript developers
• WebView behavior isn't perfectly uniform across operating systems
• Its plugin catalog is smaller than Electron's

Tauri v2 also leans heavily into a capability-based permissions model and extends its reach to mobile platforms alongside desktop.

Where it shines

Picture building a password manager. Your priorities are tight security, quick startup, native encryption, and controlled filesystem access — exactly the areas where Tauri is strongest.

3. Electrobun: Electron's Playbook, Bun's Engine

Electrobun is among the newest entrants in this space. It swaps out Node.js in favor of Bun as its runtime.

Teams already comfortable with Bun will find the transition almost seamless.

Its core pitch centers on:

• Very fast startup
• Lightweight incremental updates
• An all-TypeScript codebase
• Binaries far smaller than a typical Electron build

Per its own documentation, Electrobun aims for compressed bundles near 14 MB, startup under 50 milliseconds, and patch-sized binary updates.

Its standout selling point

There's no Rust involved anywhere — everything remains TypeScript from top to bottom, which appeals strongly to teams that want to stay purely within the JavaScript world.

Considerations before adopting it

• The ecosystem is still young
• Community support is comparatively thin
• Not many production apps have shipped with it yet
• Its APIs are still being shaped

Where it shines

Say you're building an internal CRM for a sales team, and your stack already relies on Bun, React, and TypeScript. Electrobun lets your engineers stay fully inside that JavaScript-centric world — no Rust, no Go, no C++, just TypeScript throughout.

4. Deno Desktop: The Fresh Face in the Race

One of the more unexpected developments of 2026 was Deno Desktop. Rather than building a separate framework from scratch, the Deno team simply extended their existing runtime.

Now, turning almost any Deno project into a desktop app is as simple as running a single command:

deno desktop main.ts

That's the entire process.

The resulting app bundle wraps up your source code, the Deno runtime itself, a desktop window, and native platform integrations.

It works with:

• Next.js
• Astro
• Remix
• SvelteKit
• Nuxt
• Fresh

and it can render through several backends, including the platform's native WebView or CEF, depending on how you configure it.

Capabilities baked into the runtime

• Native menu bars
• System notifications
• Automatic update handling
• Support for multiple windows
• WebGPU access
• Hot reload during development
• Native dialog boxes
• System tray integration

None of this requires extra libraries — it all ships with the runtime itself.

Where it shines

Suppose you're already running a SaaS product on Deno, Fresh, and TypeScript. Turning that into a desktop app becomes remarkably simple, with no extra runtime and no separate framework layered on top.

Comparing Performance

Matching the Framework to Your Project

Reach for Electron when

• Rock-solid stability is non-negotiable
• Enterprise-level support matters to your organization
• You're already invested in Electron's existing tooling

Reach for Tauri when

You're after small installers, high performance, robust security, and genuinely native-feeling desktop apps.

Reach for Electrobun when

Your team is drawn to Bun, prefers staying entirely in TypeScript, wants fast build times, and would rather avoid mixing in other languages.

Reach for Deno Desktop when

You're already building on Deno, TypeScript, Fresh, and modern web standards, and you want one runtime spanning both your server and your desktop client.

Wrapping Up

Desktop development is clearly moving into a new phase. Electron earned its dominance by making web technologies feel genuinely native for years.

The landscape today looks considerably richer:

• Electron still stands out as the safest pick for large, mature, enterprise-scale software.
• Tauri delivers strong performance, small binaries, and a security-first design.
• Electrobun brings Bun's speed together with an entirely TypeScript-based workflow.
• Deno Desktop ties backend and desktop development together under one runtime, with modern features built in from the start.

The strongest choice isn't necessarily the newest one — it's whichever framework best matches your team's existing skills, your performance requirements, and how you plan to maintain the project long-term.

If you're kicking off a new desktop project in 2026, it's worth putting all four of these through their paces before committing.

Where to Find the Official Docs

Anyone wanting to dig deeper can consult the primary references for each project. The Rust-powered Tauri project publishes its guides at v2.tauri.app. Electron's own site, electronjs.org, covers its APIs in depth. The Bun-based Electrobun keeps its getting-started material on the Blackboard site, reachable through this guide page. Finally, the Deno team documents its desktop tooling as part of the broader runtime docs, available at docs.deno.com.